"Another sign that baseball season is just around the corner -- MLB At Bat 12 is now available on the App Store for iPhone and iPad."

You can get the free version here, if all you want are scores. If you want all the other options such as live game feeds and video, then you can either pay (from within the app) $2.99 USD per month or spring for the whole year for $14.99 USD. The best thing about this app is that it is now universal so you don't get double dinged to get it on your iPad and iPhone. Oh, if you want it free you can also subscribe to MLB.tv and they throw this nifty app in with your subscription.